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A113782
a(n) = k such that A083087(k-1) = n.
0
1, 3, 2, 6, 5, 10, 15, 4, 21, 9, 28, 36, 8, 45, 14, 55, 20, 66, 78, 7, 91, 27, 105, 120, 13, 136, 35, 153, 44, 171, 190, 12, 210, 54, 231, 253, 19, 276, 65, 300, 325, 26, 351, 77, 378, 90, 406, 435, 11, 465, 104, 496, 528, 34, 561, 119, 595, 135, 630, 666, 18, 703
OFFSET
1,2
COMMENTS
Sequence is a permutation of the positive integers; inverse permutation to sequence A083087 taken with offset 1.
EXAMPLE
A083087(9) = 6, hence a(6) = 10.
CROSSREFS
Cf. A083087.
Sequence in context: A255548 A278504 A085179 * A090868 A125675 A301501
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, Jan 19 2006
STATUS
approved